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Cambridge International Examinations Cambridge Ordinary Level
PHYSICS 5054/12
Paper 1 Multiple Choice October/November 2015
1 hour Additional Materials: Multiple Choice Answer Sheet
Soft clean eraser
Soft pencil (type B or HB is recommended)
READ THESE INSTRUCTIONS FIRST
Write in soft pencil.
Do not use staples, paper clips, glue or correction fluid.
Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided unless this has been done for you.
DO NOT WRITE IN ANY BARCODES.
There are forty questions on this paper. Answer all questions. For each question there are four possible answers A, B, C and D.
Choose the one you consider correct and record your choice in soft pencil on the separate Answer Sheet.
Read the instructions on the Answer Sheet very carefully.
Each correct answer will score one mark. A mark will not be deducted for a wrong answer.
Any rough working should be done in this booklet.
Electronic calculators may be used.
© UCLES 2015 5054/12/O/N/15
1 Which is a scalar quantity?
A mass B force C velocity D weight
2 During an experiment to find the density of a stone, the stone is lowered into a measuring cylinder partly filled with water.
water stone
Which statement is correct?
A The difference between the readings gives the density of the stone.
B The difference between the readings gives the volume of the stone.
C The final reading gives the density of the stone.
D The final reading gives the volume of the stone.
3 The diagram shows a micrometer scale.
20 15 10
0 5
mm
Which reading is shown?
A 5.64mm B 7.14mm C 7.16mm D 7.64mm
4 A lorry takes 15 minutes to travel along the path PQRS.
P Q
R 8.0 km S
5.0 km 3.0 km
What is the average speed of the lorry?
A 4.0km/h B 22km/h C 48km/h D 64km/h
5 An apple of mass 0.15kg and weight 1.5N falls from a tree. At one point during its fall, the air resistance on the apple is 0.60N upwards.
What is the acceleration of the apple at this point?
A 4.0m/s2 B 6.0m/s2 C 10m/s2 D 14m/s2
6 At time t1, a stone is dropped from a stationary balloon. The stone reaches terminal velocity at time t2.
Which row gives the acceleration of the stone at time t1 and at time t2? acceleration at t1
m/s2
acceleration at t2
m/s2
A 0 0
B 10 0
C 0 10
D 10 10
7 Four of the gravitational forces that act between bodies in the Solar System are described below.
P the force on the Moon due to the Earth Q the force on the Earth due to the Sun R the force on the Earth due to the Moon S the force on the Moon due to the Sun
Which two forces are a Newton’s third law pair (action and reaction)?
A P and Q B P and R C Q and S D R and S
© UCLES 2015 5054/12/O/N/15
8 The diagram represents the Moon in its orbit around the Earth.
Which arrow represents the direction of the resultant force acting on the Moon at the instant shown?
Earth
Moon
A D B
C
direction of
motion of the Moon
9 A student produces some revision notes on gravity, mass and weight.
Which statement is not correct?
A A gravitational field is a region in which a mass experiences a gravitational force.
B Gravitational field strength has the unit of N/kg.
C Mass is a measure of the amount of matter.
D Mass is equal to weight multiplied by gravitational field strength.
10 Two cylinders P and Q are made of copper.
P Q
The height of P is twice the height of Q. The diameter of P is half the diameter of Q.
Which statement is correct?
A The density of cylinder P is four times that of cylinder Q.
B The density of cylinder P is twice that of cylinder Q.
C The density of cylinder P is equal to that of cylinder Q.
D The density of cylinder P is half that of cylinder Q.
11 The total weight of the load and the wheelbarrow shown is 600N.
F
70cm 50cm
load
600 N pivot
What is the size of force F needed just to lift the loaded wheelbarrow?
A 350N B 430N C 600N D 840N
© UCLES 2015 5054/12/O/N/15
12 A gas is trapped inside a cylinder by a movable piston. The length of the gas column is 20cm and the pressure inside the cylinder is p.
50cm
20cm
gas at initial pressure p
original position of piston
The piston is pulled out a distance of 30cm, so that the length of the gas column is now 50cm.
The temperature of the gas does not change.
What is the new pressure of the gas?
A 0.40p B 0.60p C 1.5p D 2.5p
13 The base of a rectangular storage tank is 2.0m by 3.0m. The tank is filled with paraffin to a depth of 3.0m.
3.0 m
3.0 m
2.0 m
The density of paraffin is 800kg/m3 and the gravitational field strength is 10N/kg.
What is the pressure at the bottom of the tank due to the paraffin?
A 2400Pa B 14400Pa C 24000Pa D 144000Pa
14 A person throws a stone so that it follows the path shown in the diagram.
In which position does the stone have the most gravitational potential energy?
A
B
D C water
15 A piston of area 10cm2 is pushed slowly into a very large cylinder containing gas at a pressure of 10N/cm2. The pressure of the gas remains constant as the piston moves a distance of 0.10m.
What is the force of the gas on the piston and what is the work done by the piston on the gas?
force/N work done/J
A 1.0 0.1
B 1.0 10
C 100 10
D 100 1000
16 A gas is in a sealed container of constant volume. The gas is heated and the pressure of the gas on the walls of the container increases.
How do the particles of the gas cause this increase in pressure?
A They expand.
B They hit each other more frequently.
C They hit the container more frequently.
D They vibrate faster.
© UCLES 2015 5054/12/O/N/15
17 The diagrams represent four thermometers.
P 25°C 20°C 15°C 10°C 5°C 0°C
Q 40°C
35°C
30°C
R 250°C 200°C 150°C 100°C 50°C 0°C
S 300°C 260°C 220°C 180°C 140°C 100°C
Which thermometer has the greatest sensitivity and which thermometer has the greatest range?
greatest sensitivity
greatest range
A P R
B P S
C Q R
D Q S
18 Some of the liquid in a dish evaporates, as shown in the diagrams.
before evaporation after evaporation
Which molecules leave the liquid and which molecules in the liquid have greater average kinetic energy?
molecules that leave have molecules in the liquid have greater average kinetic energy
A high energy before evaporation
B high energy after evaporation
C low energy before evaporation
D low energy after evaporation
19 An insulated beaker contains 300g of water, initially at 30°C. Water at 100°C is added until the temperature of the mixture reaches 50°C.
The specific heat capacity of water is 4.2J/(g°C).
How much water is added?
A 60g B 120g C 180g D 750g
20 Which statement is correct?
A Infra-red radiation cannot travel in a vacuum.
B Infra-red radiation cannot travel in solids or in gases.
C Infra-red radiation can only travel in a vacuum.
D Infra-red radiation can travel in a vacuum and in gases.
21 An echo sounder produces ultrasound of frequency 24kHz. The ultrasound travels in water at a speed of 1.5km/s.
What is the wavelength in water of ultrasound of this frequency?
A 0.063m B 16m C 36m D 63m
© UCLES 2015 5054/12/O/N/15
22 An object is viewed through a converging lens.
The diagram shows the paths of two rays from the top of the object to an eye.
object
thin lens
eye
How does the image compare with the object?
A It is larger and inverted.
B It is larger and upright.
C It is smaller and inverted.
D It is smaller and upright.
23 In an experiment using a ripple tank, plane wavefronts arrive at a plane surface.
plane surface λ
Which row correctly describes the waves after they are reflected from the surface?
speed of waves wavelength λ
A larger shorter
B smaller shorter
C the same longer
D the same the same
24 Which statement about red light and blue light is correct?
A Red light has a higher frequency than blue light.
B Red light has a longer wavelength than blue light.
C Red light has the same speed in glass as blue light.
D Red light is refracted by a glass prism more than blue light.
25 A loudspeaker produces a sound wave of frequency 50Hz.
The amplitude of the sound wave is increased.
What is heard?
A a louder sound of a higher pitch B a louder sound of the same pitch
C a sound of higher pitch but the same loudness D a sound of the same pitch and loudness as before
26 An ultrasound scanner produces an image of an unborn baby.
part of scanner
unborn baby
How does the scanner form an image?
A from ultrasound absorbed by the baby B from ultrasound emitted by the baby C from ultrasound reflected by the baby D from ultrasound refracted by the baby
27 The sound from the siren of a ship is reflected by a cliff. An echo is heard by a sailor on the deck of the ship, 4.0s after the siren is sounded. The speed of sound in air is 320m/s.
How far from the cliff is the ship?
A 80m B 160m C 640m D 1280m
28 Which material can be picked up by a magnet?
A aluminium B copper
© UCLES 2015 5054/12/O/N/15
29 Which row correctly names an electrical conductor and an insulator?
electrical
conductor insulator
A aluminium iron
B iron rubber
C plastic aluminium
D rubber plastic
30 A positively charged insulated metal sphere is brought close to an uncharged insulated metal sphere.
uncharged sphere positively charged
sphere
Which diagram shows the charge distribution on the spheres?
+ + +
+ + + + +
A B – – – – + + + + +
+ + +
C D ––
–– + ++
+ ––
–– + ++
+ + ++
+
31 The diagram shows the magnetic field around wire X which carries a current into the paper.
X
The arrows on the field lines show the direction of the force on A a N-pole.
B a S-pole.
C a small negative charge.
D a small positive charge.
32 P and Q represent two, parallel, straight wires carrying currents into the plane of the paper. P and Q exert a force on each other.
Which arrow shows the force on Q?
Q A
B
C D
P
33 A power supply of 18V is connected to three resistors, as shown.
8.0 Ω 8.0 Ω
2.0 Ω 18 V
What is the potential difference across the 2.0Ω resistor?
A 2.0V B 3.6V C 6.0V D 12V
34 An immersion heater is labelled 24V, 120W.
What is the current in the heater when it is connected to a 24V supply?
A 0.20A B 5.0A C 24A D 120A
© UCLES 2015 5054/12/O/N/15
35 Electric power cables transmit electrical energy over large distances using high-voltage, alternating current.
What are the advantages of using a high voltage and of using an alternating current?
advantage of using a high voltage advantage of using an alternating current A high current is produced in the cable the resistance of the cable is reduced B high current is produced in the cable the voltage can be changed using a transformer C less energy is wasted in the cable the resistance of the cable is reduced D less energy is wasted in the cable the voltage can be changed using a transformer
36 Which particles are emitted by the hot filament of a cathode-ray oscilloscope (c.r.o.) and which type of field is used to accelerate them?
particles type of field
A electrons electric
B electrons magnetic
C protons electric
D protons magnetic
37 The diagram shows an electrical device X connected between a 6V a.c. supply and a 12V lamp
X
6 V 12 V
The lamp is seen to glow with normal brightness.
What is X?
A a capacitor B a potential divider C a relay
D a transformer
38 In the circuit shown, all lamps are identical. Lamp P lights with normal brightness.
Q
R P Y
Switch Y is closed and lamps come on.
Which row indicates the brightness of the lamps?
P Q R
A dim dim dim
B normal dim dim
C normal off off
D off normal normal
39 A radioactive isotope 14C emits beta-particles.
A sample of this isotope is left for a period of time that is equal to its half-life.
Which two quantities decrease to half of their initial value during this time?
A the decay rate and the number of protons
B the mass of the sample and the number of 14C nuclei C the number of 14C nuclei and the decay rate
D the number of protons and the mass of the sample
40 In the Geiger-Marsden experiment, a beam of alpha-particles is fired at a very thin sheet of gold foil, in a vacuum.
What is deduced from this experiment?
A Alpha-particles are repelled by electrons.
B Atoms contain air.
C Electrons are found in atomic nuclei.
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© UCLES 2015 5054/12/O/N/15
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